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Solubility isotherm of the system LiNO3–KNO3–H2O at 373 K

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Abstract

The solubility isotherm in the system LiNO3–KNO3–H2O was determined with an analytical method at 373 K. The data were compared with calculations from a six-parameter model of Pitzer and Simonson (J Phys Chem 90:3009, 1986) with parameters derived solely from water activities in a comparable temperature–composition range. A two-parameter BET model could predict the solubility data equally good if a regular solution term from data of the anhydrous molten system was added.

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Notes

  1. In Table 2, \(x_{{{\text{KNO}}_{ 3} }}\) should be \(x_{{{\text{LiNO}}_{ 3} }}\).

  2. Equations (32) and (33) in their derivation contain a misprint: in the terms c A a H (1 − Z/H) and c B a H (1 − Z/H), the factor a H has to be deleted.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, TU Bergakademie Freiberg, Freiberg, Germany

    Heidelore Voigt & Wolfgang Voigt

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  1. Heidelore Voigt
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  2. Wolfgang Voigt
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Correspondence to Wolfgang Voigt.

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In memoriam of Prof. Dr. Heinz Gamsjäger.

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Voigt, H., Voigt, W. Solubility isotherm of the system LiNO3–KNO3–H2O at 373 K. Monatsh Chem 149, 283–288 (2018). https://doi.org/10.1007/s00706-017-2118-2

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  • DOI: https://doi.org/10.1007/s00706-017-2118-2

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